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China Wholesale Cas 149 91 7 Factory - Pyrogallol – Sanjiang

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China Wholesale Cas 149 91 7 Factory - Pyrogallol – Sanjiang Detail:

Introduction: Pyrogallol

is a chemical reagent and chemical raw material with multiple uses. It is produced in the manner it was first prepared by Scheele (1786): heating gallic acid. Presently gallic acid is obtained from tannin. Heating induces decarboxylation 。It is widely used in pharmaceutical synthesis, dyes, foods, pesticides and electronic products

AppearanceWhite crystalline powder

Chemical name: Benzene-1,2,3-triol

Other names:1,2,3-Trihydroxybenzene,Pyrogallic acid

Molecular formula:  C6H3(OH)3

Molecular weight: 126.11

Melting point309°C

CAS Number87-66-1

Property: This product is a white shiny crystalline powder, soluble in 2 parts of water, 1 part of ethanol or 2 parts of ether.



In line with the national industry standard LY-T 2862; in line with the US “chemical reagent standards”; Lawson V version and Japanese national standard K8780 reagent specifications.


Melting point is 131 ~ 134 ℃, boiling point is 309 ℃, relative density is 1.46. UVλmax2. 88nm when pH =5.4 in water. Soluble in water, alcohol, ether, slightly soluble in benzene, chloroform and carbon disulfide.


Avoid moisture and light, sealed tightly, no contact with metal.


The product is packed in cardboard drums with a net weight of 25 kg per barrel.


1. Cosmetic additives

2. Important catalysts and additives in chemical industry

3. Strong reducing agent and fungicidal in medicine

4. One of the important formulas of feed

5. Highly effective and low residual pesticide

6. New imaging materials, metallurgical flotation agent



Implementation standards



Enterprise Standard





Melting point




Residue on ignition




Water solubility

Clear without turbidity

Clear without turbidity







Gallic acid test

Without turbidity

Without turbidity

heavy metal

≤10 ug/g


Woven bag, 25kg / bag

cardboard bucket, 25kg/drum

cardboard bucket,25kg/

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We thinks what customers think, the urgency of urgency to act in the interests of a customer position of principle, allowing for better quality, lower processing costs, prices are more reasonable, won the new and old customers the support and affirmation for China Wholesale Cas 149 91 7 Factory - Pyrogallol – Sanjiang , The product will supply to all over the world, such as: Croatia, Iran, Karachi, We adopted technique and quality system management, based on "customer orientated, reputation first, mutual benefit, develop with joint efforts", welcome friends to communicate and cooperate from all over the world.
  • In our cooperated wholesalers, this company has the best quality and reasonable price, they are our first choice.
    5 Stars By Sandra from Pakistan - 2018.02.12 14:52
    As an international trading company, we have numerous partners, but about your company, I just want to say, you are really good, wide range, good quality, reasonable prices, warm and thoughtful service, advanced technology and equipment and workers have professional training, feedback and product update is timely, in short, this is a very pleasant cooperation, and we look forward to the next cooperation!
    5 Stars By Ann from Danish - 2018.02.04 14:13
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